A fat chickor a fattyposse. Derived from the fat girlsorority Omega Mu in the movie Revenge of the Nerds. The Omega Mu plumpers help the nerds such as Takashi, Wormser, Poindexter, Lewis and Gilbert, Lamar Latrell and Boogercombat the jocksand cheerleadersand they put on a concertand take control of the campus.
"Look at that big fat fatty in the short skirt and tight, low cut top!"
"What an Omega Mu!"
See revenge of the nerds, nerd, geek, tool, loser, revenge, poindexter, hogging, hogger, fatty, fat chick, fat girl, lardass, fatass, plumper, nail the whale, tubby, chunker
